Audi Repair Questions? Ask a Mechanic for Answers ASAP
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What usually fails and causes this type of fault here is an issue with one of the micro switch/sensors that send signals to the computer to tell it what position the top is in.When one of these fails to send the correct signals this can disable the top from operating properly and can be intermittent in some cases.
What needs to be done from here is to have the fault codes read out/checked using a fully compatible scan tool that will plug in and communicate with all computers.Once this is done any codes set need diagnosed to locate and repair this issue.The compatible scan tool is also used to monitor the switch signals to locate the faulty micro switch needing replaced.
I have seen other issues like the motor or control switch at fault but usually when these fail they fail and stop all together.I suspect with what is described here this is a fault with one of the micro switches sending a false signal needing replaced.
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